A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Connecticut's shot tower is near the end of its life.

Beautiful stained glass depictions of the history of human flight fill this surprising chapel.

One of the last Jazz Age "Wonder Theaters" in New York City.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

A natural history wunderkammer in the middle of the desert.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The U.S. Navy’s preposterously detailed mini battleship took 77,000 hours to complete.

Romans built the world's tallest artificial waterfall in 271 BC.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

The smallest post office in the United States is no bigger than a broom closet.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

Ming Dynasty necropolis raided during the Cultural Revolution.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This ancient Chinese observatory still contains early astronomy technology.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

A son-and-daughter meat market, hawked by mom and dad.